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Finding the Fourth Proportional to 330,593.56, 456,201.62 and 187,355.32

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Solution

The fourth proportional to 330,593.56, 456,201.62 and 187,355.32 is: 258,540.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,593.56 : 456,201.62 = 187,355.32 : x
  2. Step 2: Convert to fraction form
    330,593.56/456,201.62 = 187,355.32/x
  3. Step 3: Cross multiply
    330,593.56x = 456,201.62 × 187,355.32
  4. Step 4: Simplify right side
    330,593.56x = 85,471,800,499.62
  5. Step 5: Solve for x
    x = 85,471,800,499.62/330,593.56
  6. Step 6: Final answer
    x = 258,540.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.